<html>
	<head>
		<style>
			#box1{
			    border-style:none;
			    border-width:10px;
			}
			#box2{
			    border-style:solid;
			    border-width:10px;
			}
		</style>
	</head>
	<body>
		<div id="box1">
		内容 内容
		</div>
		<div id="box2">
		内容
		</div>
	</body>
</html>